Product Details: Baby kicks. Music plays. And that's just the beginning. Movable toys on the overhead gym encourage baby to bat and grasp. Move the arch down for tummy-time play, or let baby sit and entertain you with a piano concert! And now with a removable piano, you can take the musical fun wherever you and baby go!-Four ways to play! Lay & play; Tummy time; Sit & play; Take-along-Music rewards baby as she kicks the piano keys-5 busy activity toys & a large mirror-Toys include a hippo teether, elephant clackers, rollerball frog & more!-Short or long-play music—up to 15 minutes-Soft, comfy mat-Power/volume control-Requires 3 AA batteries